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Reorganize our CRC source files again.

Now that we use CRC-32C in WAL and the control file, the "traditional" and
"legacy" CRC-32 variants are not used in any frontend programs anymore.
Move the code for those back from src/common to src/backend/utils/hash.

Also move the slicing-by-8 implementation (back) to src/port. This is in
preparation for next patch that will add another implementation that uses
Intel SSE 4.2 instructions to calculate CRC-32C, where available.
This commit is contained in:
Heikki Linnakangas
2015-04-14 17:03:42 +03:00
parent d577bb868d
commit 4f700bcd20
25 changed files with 211 additions and 181 deletions

View File

@ -665,7 +665,7 @@ ValidXLogRecordHeader(XLogReaderState *state, XLogRecPtr RecPtr,
static bool
ValidXLogRecord(XLogReaderState *state, XLogRecord *record, XLogRecPtr recptr)
{
pg_crc32 crc;
pg_crc32c crc;
/* Calculate the CRC */
INIT_CRC32C(crc);